public T ReadMetadata <T>()
{
if (metadataCache?.GetType() == typeof(T))
{
return((T)metadataCache);
}
long address;
DependencyReader reader;
if (ClassCode == "sbsp")
{
var translator = new BSPAddressTranslator(cache, Id);
reader = cache.CreateReader(translator);
address = translator.TagAddress;
}
else if (ClassCode == "bitm" && MetaPointer.Address < 0)
{
reader = cache.CreateBitmapsReader();
var translator = new BitmapsAddressTranslator(cache, this, reader);
reader.RegisterInstance <IAddressTranslator>(translator);
address = translator.TagAddress;
}
else
{
reader = cache.CreateReader(cache.AddressTranslator);
address = MetaPointer.Address;
}
using (reader)
{
reader.RegisterInstance <IIndexItem>(this);
reader.Seek(address, SeekOrigin.Begin);
var result = reader.ReadObject <T>((int)cache.CacheType);
if (CacheFactory.SystemClasses.Contains(ClassCode))
{
metadataCache = result;
}
return(result);
}
}
public BitmapsAddressTranslator(CacheFile cache, IndexItem tag)
: this(cache, tag, cache.CreateBitmapsReader())
{
}